Submission #946601

# Submission time Handle Problem Language Result Execution time Memory
946601 2024-03-14T19:32:10 Z n3rm1n Gap (APIO16_gap) C++17
30 / 100
31 ms 3452 KB
#include<bits/stdc++.h>
#include "gap.h"

using namespace std;
const long long MAXN = 2e5 + 10;
long long a[MAXN];
long long findGap(int T, int N)
{
    if(T == 1)
    {
        long long s = 0, t = (long long)(1e18);
        long long mn, mx;
        long long n = N;
        long long filled0 = 0, filled1 = n+1;

        while(filled0 + 1 <= filled1 - 1)
        {

            MinMax(s, t, &mn, &mx);

            if(mn == mx)
            {
                filled0 ++;
                a[filled0] = mn;
                n --;
                break;
            }
            filled0 ++;
            filled1 --;
            n-= 2;
            a[filled0] = mn;
            a[filled1] = mx;

            s = mn + 1;
            t = mx - 1;
        }
        long long ans = -1;
        //cout << "n is " << n << endl;
        //cout << a[1] << " ";
        for (long long i = 2; i <= N; ++ i)
        {
            //cout << a[i] << " ";
            ans = max(ans, (long long) (a[i] - a[i-1]));
        }
        //cout << endl;
        //cout << ans << endl;
        return ans;
    }
    long long s = 0, t = (long long)(1e18), mn, mx;
    MinMax(s, t, &mn, &mx);
    long long curr = mn, last = mx;

    long long ans = 1;
    deque < long long > q;
    while(curr < last)
    {
       // cout << curr << endl;
       // cout << "* " << ans << endl;
        s = curr + 1;
        t = curr + ans;
        if(s < t)
        {
            MinMax(s, t, &mn, &mx);

        if(mn != -1 && mx != -1)
        {
            curr = mx;
            //cout << "move to " << curr << endl;
            continue;
        }
        }
        while(!q.empty() && q.front() <= curr)
        {
            q.pop_front();
        }
        int limit = last;
        if(!q.empty())limit = q.front();
        long long lf = ans, rth = min(limit - curr, last - curr) + 1, mid, newans = -1;
        q.clear();
        long long found = 0;
        while(lf <= rth)
        {
            mid = (rth - lf)/2 + lf;
            s = curr + 1;
            t = curr + mid + 1;
            MinMax(s, t, &mn, &mx);
            if(mn == -1 && mx == -1)
            {
                lf = mid + 1;
            }
            else
            {
                rth = mid - 1;
                q.push_front(mx);
                found = mx;
                newans = mid;
            }
        }

       // cout << "found is " << found << endl;
        if(newans != -1)ans = found - curr;
        else break;
        curr = found;

    }
    return ans;
}
# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 2392 KB Output is correct
3 Correct 1 ms 2392 KB Output is correct
4 Correct 0 ms 2392 KB Output is correct
5 Correct 1 ms 2392 KB Output is correct
6 Correct 0 ms 2392 KB Output is correct
7 Correct 0 ms 2392 KB Output is correct
8 Correct 1 ms 2392 KB Output is correct
9 Correct 1 ms 2392 KB Output is correct
10 Correct 1 ms 2392 KB Output is correct
11 Correct 1 ms 2392 KB Output is correct
12 Correct 2 ms 2392 KB Output is correct
13 Correct 1 ms 2392 KB Output is correct
14 Correct 1 ms 2392 KB Output is correct
15 Correct 1 ms 2392 KB Output is correct
16 Correct 8 ms 2532 KB Output is correct
17 Correct 7 ms 2540 KB Output is correct
18 Correct 7 ms 2540 KB Output is correct
19 Correct 7 ms 2540 KB Output is correct
20 Correct 6 ms 2536 KB Output is correct
21 Correct 28 ms 3448 KB Output is correct
22 Correct 28 ms 3444 KB Output is correct
23 Correct 28 ms 3440 KB Output is correct
24 Correct 31 ms 3344 KB Output is correct
25 Correct 27 ms 3388 KB Output is correct
26 Correct 28 ms 3304 KB Output is correct
27 Correct 28 ms 3440 KB Output is correct
28 Correct 28 ms 3452 KB Output is correct
29 Correct 28 ms 3452 KB Output is correct
30 Correct 23 ms 3452 KB Output is correct
31 Correct 1 ms 2392 KB Output is correct
32 Correct 1 ms 2392 KB Output is correct
# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 2392 KB Output isn't correct
2 Incorrect 0 ms 2392 KB Output isn't correct
3 Incorrect 1 ms 2392 KB Output isn't correct
4 Incorrect 1 ms 2392 KB Output isn't correct
5 Partially correct 1 ms 2392 KB Partially correct
6 Incorrect 1 ms 2644 KB Output isn't correct
7 Incorrect 1 ms 2392 KB Output isn't correct
8 Incorrect 1 ms 2392 KB Output isn't correct
9 Incorrect 1 ms 2548 KB Output isn't correct
10 Partially correct 1 ms 2392 KB Partially correct
11 Incorrect 1 ms 2392 KB Output isn't correct
12 Incorrect 1 ms 2392 KB Output isn't correct
13 Incorrect 1 ms 2392 KB Output isn't correct
14 Incorrect 1 ms 2392 KB Output isn't correct
15 Incorrect 1 ms 2392 KB Output isn't correct
16 Incorrect 4 ms 2540 KB Output isn't correct
17 Incorrect 3 ms 2536 KB Output isn't correct
18 Incorrect 4 ms 2540 KB Output isn't correct
19 Incorrect 4 ms 2536 KB Output isn't correct
20 Partially correct 4 ms 2532 KB Partially correct
21 Incorrect 16 ms 2688 KB Output isn't correct
22 Incorrect 13 ms 2868 KB Output isn't correct
23 Incorrect 14 ms 2684 KB Output isn't correct
24 Incorrect 13 ms 2672 KB Output isn't correct
25 Incorrect 10 ms 2680 KB Output isn't correct
26 Incorrect 13 ms 2680 KB Output isn't correct
27 Incorrect 13 ms 2688 KB Output isn't correct
28 Incorrect 13 ms 2680 KB Output isn't correct
29 Incorrect 13 ms 2676 KB Output isn't correct
30 Partially correct 14 ms 2680 KB Partially correct
31 Incorrect 1 ms 2388 KB Output isn't correct
32 Incorrect 1 ms 2392 KB Output isn't correct